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Important Hormones

Which one is ...

Question

Which one is a positive feedback mechanism?

A

Sexual stimulation

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B

Allosteric inhibition

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C

Blood pressure

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D

Perspiration

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Solution

The correct option is B Allosteric inhibition
Allosteric inhibition is the regulation of an enzyme by an effector molecule that binds to a site other than the active site, which is called allosteric site. Since it is not blocking the active site it is called 'positive feedback' option $(B)$

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